[inspector] don't truncate [[Entries]] from Runtime.getProperties

src/inspector/v8-debugger.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/inspector/v8-debugger.h"
 
 #include "src/inspector/debugger-script.h"
 #include "src/inspector/protocol/Protocol.h"
 #include "src/inspector/script-breakpoint.h"
 #include "src/inspector/string-util.h"
@@ skipping 773 matching lines @@
 
 v8::Local<v8::Value> V8Debugger::collectionEntries(
     v8::Local<v8::Context> context, v8::Local<v8::Object> object) {
   if (!enabled()) {
     UNREACHABLE();
     return v8::Undefined(m_isolate);
   }
   v8::Local<v8::Value> argv[] = {object};
   v8::Local<v8::Value> entriesValue =
       callDebuggerMethod("getCollectionEntries", 1, argv).ToLocalChecked();
-  v8::Local<v8::Value> copied;
-  if (!copyValueFromDebuggerContext(m_isolate, debuggerContext(), context,
-                                    entriesValue)
-           .ToLocal(&copied) ||
-      !copied->IsArray())
+  if (!entriesValue->IsArray()) return v8::Undefined(m_isolate);
+
+  v8::Local<v8::Array> entries = entriesValue.As<v8::Array>();
+  v8::Local<v8::Array> copiedArray =
+      v8::Array::New(m_isolate, entries->Length());
+  if (!copiedArray->SetPrototype(context, v8::Null(m_isolate)).FromMaybe(false))
     return v8::Undefined(m_isolate);
-  if (!markArrayEntriesAsInternal(context, v8::Local<v8::Array>::Cast(copied),
+  for (uint32_t i = 0; i < entries->Length(); ++i) {
+    v8::Local<v8::Value> item;
+    if (!entries->Get(debuggerContext(), i).ToLocal(&item))
+      return v8::Undefined(m_isolate);
+    v8::Local<v8::Value> copied;
+    if (!copyValueFromDebuggerContext(m_isolate, debuggerContext(), context,
+                                      item)
+             .ToLocal(&copied))
+      return v8::Undefined(m_isolate);
+    if (!createDataProperty(context, copiedArray, i, copied).FromMaybe(false))
+      return v8::Undefined(m_isolate);
+  }
+  if (!markArrayEntriesAsInternal(context,
+                                  v8::Local<v8::Array>::Cast(copiedArray),
                                   V8InternalValueType::kEntry))
     return v8::Undefined(m_isolate);
-  return copied;
+  return copiedArray;
 }
 
 v8::Local<v8::Value> V8Debugger::generatorObjectLocation(
     v8::Local<v8::Context> context, v8::Local<v8::Object> object) {
   if (!enabled()) {
     UNREACHABLE();
     return v8::Null(m_isolate);
   }
   v8::Local<v8::Value> argv[] = {object};
   v8::Local<v8::Value> location =
@@ skipping 165 matching lines @@
 
   size_t stackSize =
       fullStack ? V8StackTraceImpl::maxCallStackSizeToCapture : 1;
   if (m_inspector->enabledRuntimeAgentForGroup(contextGroupId))
     stackSize = V8StackTraceImpl::maxCallStackSizeToCapture;
 
   return V8StackTraceImpl::capture(this, contextGroupId, stackSize);
 }
 
 }  // namespace v8_inspector